Make sure the first returned row has temperature and dewpoint
Make sure the first returned row has temperature and dewpoint

jrleeman/MetPy,dopplershift/MetPy,jrleeman/MetPy,ahaberlie/MetPy,dopplershift/MetPy,Unidata/MetPy,ShawnMurd/MetPy,Unidata/MetPy,ahaberlie/MetPy